the longest case I know is a guy in big crypto who after a fallout was taking care of a zombie company for about a year and half, full pay, practically 1 or 2 hours of work some of the weeks
so I was running a SVN server in a decommissioned PC somewhere in a startup as an intern. whole company ends up using it and out of nowhere it used to freeze, I would go to check if it had rebooted or crashed and everything was fine.
it fixed by itself, without any fixes from my part. happened many times.
asked for help to a senior, guy ran strace and found a read waiting in /dev/random. and of course it solved by itself any time I checked because I was moving the mouse!
controversially but acceptably, we had linked it to urandom and move on
how fast that guy used strace and analyzed the syscalls inspired me to be better at linux
and, this is not a joke, truly: the seat gave me a massage.
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